Onwaard is a former municipality in the Dutch province of South Holland.
It was located east of the village of Melissant on the island Goeree-Overflakkee.
The municipality contained no villages nor hamlets; only a few farms.
It consisted of a number of small polders: Onwaard, Oud-Kraaijer, Kraaijenisse, and part of the Nieuw-Kraaijer polder.
This South Holland location article is a stub.